package cn.hy.face.mqtt;

import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;
import org.springframework.integration.mqtt.core.MqttPahoClientFactory;
import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;

/**
 * mqtt发送消息配置
 */
@Configuration
public class MqttOutboundConfiguration {
    
    @Autowired
    private MqttProperties mqttProperties;

    @Bean
    public MqttPahoClientFactory mqttClientFactory() {
        String[] serverURIs = mqttProperties.getOutbound().getUrls().split(",");
        DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
        MqttConnectOptions connectOptions = new MqttConnectOptions();
        connectOptions.setServerURIs(serverURIs);
        connectOptions.setCleanSession(true);
        factory.setConnectionOptions(connectOptions);
        return factory;
    }

    @Bean
    @ServiceActivator(inputChannel = "mqttOutboundChannel")
    public MessageHandler mqttOutbound() {
        MqttPahoMessageHandler messageHandler =
                new MqttPahoMessageHandler(mqttProperties.getOutbound().getClientId(), mqttClientFactory());
        messageHandler.setAsync(true);
        messageHandler.setDefaultQos(1);
        messageHandler.setDefaultTopic(mqttProperties.getOutbound().getTopic());
        return messageHandler;
    }

    @Bean
    public MessageChannel mqttOutboundChannel() {
        return new DirectChannel();
    }


}